Influenza Vaccine

Question 1

Influenza season

Answer 1

October-March/April

Question 2

When does antigenic drift occur?

Answer 2

Yearly

Question 3

Antigenic drift definition

Answer 3

Gradual protein changes

Question 4

Antigenic shift definition

Answer 4

Drastic protein changes

Question 5

When does antigenic shift occur?

Answer 5

Epidemics and pandemics

Question 6

Flu vaccine for patients ≥65

Answer 6

Fluzone High Dose

Question 7

Inactivated flu vaccine route of administration

Answer 7

IM

Question 8

Live attenuated flu vaccine route of administration

Answer 8

Intranasal

Question 9

Onset of action of flu vaccine

Answer 9

~2 weeks

Question 10

IIV4 and RIV4 flu vaccine minimum age

Answer 10

≥6 months, including pregnant patients (high dose can be given to patients ≥65)

Question 11

LAIV4 flu vaccine age range

Answer 11

2-49 (can’t have CIs to the vaccine either)

Question 12

How often do you get the flu vaccine?

Answer 12

Once a year

Question 13

Adverse effects of flu vaccine

Answer 13

IM: local reactions
Intranasal: rhinorrhea

Question 14

CIs to the attenuated vaccine

Answer 14

Vaccine allergy

Question 15

CIs to the live attenuated vaccine

Answer 15

Age <2 and >50, pregnancy, immunosuppression, children 2-4 with asthma or history of wheezing, CSF leaks/cochlear implants, patients taking ASA, HCPs who care for immunocompromised patients